11520206053 has 4 divisors (see below), whose sum is σ = 11523785868. Its totient is φ = 11516626240.

The previous prime is 11520206051. The next prime is 11520206059. The reversal of 11520206053 is 35060202511.

11520206053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9311864004 + 2208342049 = 96498^2 + 46993^2 .

It is a cyclic number.

It is not a de Polignac number, because 11520206053 - 2¹ = 11520206051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11520206051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1785076 + ... + 1791517.

It is an arithmetic number, because the mean of its divisors is an integer number (2880946467).

Almost surely, 2^11520206053 is an apocalyptic number.

It is an amenable number.

11520206053 is a deficient number, since it is larger than the sum of its proper divisors (3579815).

11520206053 is an equidigital number, since it uses as much as digits as its factorization.

11520206053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3579814.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 11520206053 its reverse (35060202511), we get a palindrome (46580408564).

The spelling of 11520206053 in words is "eleven billion, five hundred twenty million, two hundred six thousand, fifty-three".